A semiconductor device in which a trench in a cell outer peripheral region configured to pull out a gate electrode and a trench in a cell region having a vertical transistor are formed with the same width to enable a reduction in chip area, and a manufacturing method thereof in which a gate contact hole is formed directly on a trench in a cell outer peripheral region on a self-alignment basis, and a gate wiring electrode is connected thereto are provided.
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March 28, 2018
November 12, 2019
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